Dec 19 19:00:38.197 INFO checking chyld/rust-examples against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 19:00:38.197 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/chyld/rust-examples:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 19:00:38.838 INFO [stdout] 0ec8a255d62b61b8ec5e29fc309b34df019ca736b2fab7ac5de325d7db1aba8a
Dec 19 19:00:38.850 INFO running `"docker" "start" "-a" "0ec8a255d62b61b8ec5e29fc309b34df019ca736b2fab7ac5de325d7db1aba8a"`
Dec 19 19:00:40.724 INFO [stderr]     Checking rust-examples v0.1.0 (/opt/crater/workdir)
Dec 19 19:00:41.052 INFO [stderr] warning: unused variable: `a`
Dec 19 19:00:41.052 INFO [stderr]   --> src/main.rs:38:9
Dec 19 19:00:41.052 INFO [stderr]    |
Dec 19 19:00:41.052 INFO [stderr] 38 |     let a = Nil;
Dec 19 19:00:41.052 INFO [stderr]    |         ^ help: consider using `_a` instead
Dec 19 19:00:41.052 INFO [stderr]    |
Dec 19 19:00:41.052 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 19:00:41.052 INFO [stderr] 
Dec 19 19:00:41.052 INFO [stderr] warning: unused variable: `b`
Dec 19 19:00:41.052 INFO [stderr]   --> src/main.rs:39:9
Dec 19 19:00:41.052 INFO [stderr]    |
Dec 19 19:00:41.052 INFO [stderr] 39 |     let b = Pair(3, 5.2);
Dec 19 19:00:41.052 INFO [stderr]    |         ^ help: consider using `_b` instead
Dec 19 19:00:41.052 INFO [stderr] 
Dec 19 19:00:41.052 INFO [stderr] warning: unused variable: `c`
Dec 19 19:00:41.053 INFO [stderr]   --> src/main.rs:40:9
Dec 19 19:00:41.053 INFO [stderr]    |
Dec 19 19:00:41.053 INFO [stderr] 40 |     let c = Point {x: 4, y: 2.5};
Dec 19 19:00:41.053 INFO [stderr]    |         ^ help: consider using `_c` instead
Dec 19 19:00:41.053 INFO [stderr] 
Dec 19 19:00:41.053 INFO [stderr] warning: unused variable: `b`
Dec 19 19:00:41.053 INFO [stderr]   --> src/main.rs:60:9
Dec 19 19:00:41.053 INFO [stderr]    |
Dec 19 19:00:41.053 INFO [stderr] 60 |     let b: [u64; 10];   // u64 - 10 random values
Dec 19 19:00:41.053 INFO [stderr]    |         ^ help: consider using `_b` instead
Dec 19 19:00:41.053 INFO [stderr] 
Dec 19 19:00:41.064 INFO [stderr] warning: field is never used: `x`
Dec 19 19:00:41.064 INFO [stderr]   --> src/main.rs:17:5
Dec 19 19:00:41.064 INFO [stderr]    |
Dec 19 19:00:41.064 INFO [stderr] 17 |     x: u8,
Dec 19 19:00:41.064 INFO [stderr]    |     ^^^^^
Dec 19 19:00:41.064 INFO [stderr]    |
Dec 19 19:00:41.064 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 19:00:41.064 INFO [stderr] 
Dec 19 19:00:41.064 INFO [stderr] warning: field is never used: `y`
Dec 19 19:00:41.064 INFO [stderr]   --> src/main.rs:18:5
Dec 19 19:00:41.064 INFO [stderr]    |
Dec 19 19:00:41.064 INFO [stderr] 18 |     y: f32,
Dec 19 19:00:41.064 INFO [stderr]    |     ^^^^^^
Dec 19 19:00:41.064 INFO [stderr] 
Dec 19 19:00:41.134 INFO [stderr] warning: unused variable: `a`
Dec 19 19:00:41.134 INFO [stderr]   --> src/main.rs:38:9
Dec 19 19:00:41.134 INFO [stderr]    |
Dec 19 19:00:41.134 INFO [stderr] 38 |     let a = Nil;
Dec 19 19:00:41.134 INFO [stderr]    |         ^ help: consider using `_a` instead
Dec 19 19:00:41.134 INFO [stderr]    |
Dec 19 19:00:41.134 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 19:00:41.134 INFO [stderr] 
Dec 19 19:00:41.134 INFO [stderr] warning: unused variable: `b`
Dec 19 19:00:41.134 INFO [stderr]   --> src/main.rs:39:9
Dec 19 19:00:41.134 INFO [stderr]    |
Dec 19 19:00:41.134 INFO [stderr] 39 |     let b = Pair(3, 5.2);
Dec 19 19:00:41.134 INFO [stderr]    |         ^ help: consider using `_b` instead
Dec 19 19:00:41.134 INFO [stderr] 
Dec 19 19:00:41.134 INFO [stderr] warning: unused variable: `c`
Dec 19 19:00:41.134 INFO [stderr]   --> src/main.rs:40:9
Dec 19 19:00:41.134 INFO [stderr]    |
Dec 19 19:00:41.134 INFO [stderr] 40 |     let c = Point {x: 4, y: 2.5};
Dec 19 19:00:41.134 INFO [stderr]    |         ^ help: consider using `_c` instead
Dec 19 19:00:41.134 INFO [stderr] 
Dec 19 19:00:41.134 INFO [stderr] warning: unused variable: `b`
Dec 19 19:00:41.134 INFO [stderr]   --> src/main.rs:60:9
Dec 19 19:00:41.134 INFO [stderr]    |
Dec 19 19:00:41.134 INFO [stderr] 60 |     let b: [u64; 10];   // u64 - 10 random values
Dec 19 19:00:41.134 INFO [stderr]    |         ^ help: consider using `_b` instead
Dec 19 19:00:41.134 INFO [stderr] 
Dec 19 19:00:41.143 INFO [stderr] warning: field is never used: `x`
Dec 19 19:00:41.143 INFO [stderr]   --> src/main.rs:17:5
Dec 19 19:00:41.143 INFO [stderr]    |
Dec 19 19:00:41.143 INFO [stderr] 17 |     x: u8,
Dec 19 19:00:41.143 INFO [stderr]    |     ^^^^^
Dec 19 19:00:41.144 INFO [stderr]    |
Dec 19 19:00:41.144 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 19:00:41.144 INFO [stderr] 
Dec 19 19:00:41.144 INFO [stderr] warning: field is never used: `y`
Dec 19 19:00:41.144 INFO [stderr]   --> src/main.rs:18:5
Dec 19 19:00:41.144 INFO [stderr]    |
Dec 19 19:00:41.144 INFO [stderr] 18 |     y: f32,
Dec 19 19:00:41.144 INFO [stderr]    |     ^^^^^^
Dec 19 19:00:41.144 INFO [stderr] 
Dec 19 19:00:41.184 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
Dec 19 19:00:41.924 INFO running `"docker" "inspect" "0ec8a255d62b61b8ec5e29fc309b34df019ca736b2fab7ac5de325d7db1aba8a"`
Dec 19 19:00:42.235 INFO running `"docker" "rm" "-f" "0ec8a255d62b61b8ec5e29fc309b34df019ca736b2fab7ac5de325d7db1aba8a"`
Dec 19 19:00:42.560 INFO [stdout] 0ec8a255d62b61b8ec5e29fc309b34df019ca736b2fab7ac5de325d7db1aba8a